_ Git - ldk-java/blob - src/main/java/org/ldk/structs/EventHandler.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7
   8 /**
   9  * A trait implemented for objects handling events from [`EventsProvider`].
  10  */
  11 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  12 public class EventHandler extends CommonBase {
  13         final bindings.LDKEventHandler bindings_instance;
  14         EventHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  15         private EventHandler(bindings.LDKEventHandler arg) {
  16                 super(bindings.LDKEventHandler_new(arg));
  17                 this.ptrs_to.add(arg);
  18                 this.bindings_instance = arg;
  19         }
  20         @Override @SuppressWarnings("deprecation")
  21         protected void finalize() throws Throwable {
  22                 if (ptr != 0) { bindings.EventHandler_free(ptr); } super.finalize();
  23         }
  24
  25         public static interface EventHandlerInterface {
  26                 /**
  27                  * Handles the given [`Event`].
  28                  *
  29                  * See [`EventsProvider`] for details that must be considered when implementing this method.
  30                  */
  31                 void handle_event(Event event);
  32         }
  33         private static class LDKEventHandlerHolder { EventHandler held; }
  34         public static EventHandler new_impl(EventHandlerInterface arg) {
  35                 final LDKEventHandlerHolder impl_holder = new LDKEventHandlerHolder();
  36                 impl_holder.held = new EventHandler(new bindings.LDKEventHandler() {
  37                         @Override public void handle_event(long event) {
  38                                 Event event_hu_conv = Event.constr_from_ptr(event);
  39                                 event_hu_conv.ptrs_to.add(this);
  40                                 arg.handle_event(event_hu_conv);
  41                         }
  42                 });
  43                 return impl_holder.held;
  44         }
  45         /**
  46          * Handles the given [`Event`].
  47          *
  48          * See [`EventsProvider`] for details that must be considered when implementing this method.
  49          */
  50         public void handle_event(Event event) {
  51                 bindings.EventHandler_handle_event(this.ptr, event.ptr);
  52         }
  53
  54 }